Weddellite

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Weddellite[1][2]
Oxalat Kristalle Musterplatte.jpg
Mineralogical name Weddellite
Chemical name Calcium oxalate dihydrate
Trivial name
Chemical formula Ca(C2O4)•2H2O
Other forms
Crystal system tetragonal
Crystal structure
Deliquescence humidity 20°C
Solubility (g/l) at 20°C
Density (g/cm³) 2.02 g/cm³
Molar volume
Molar weight 164.13 g/mol
Transparency
Cleavage
Crystal habit
Twinning
Phase transition
Chemical behavior
Comments not soluble in water
Crystal Optics
Refractive Indices no = 1.523
ne = 1.544
Birefringence Δ = 0.021
Optical Orientation positive
Pleochroism
Dispersion
Used Literature
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back to Organic Salts

Weblinks[edit]

  1. ↑ http://www.mindat.org/min-4254.html viewed on 09/06/2011
  2. ↑ http://webmineral.com/data/Weddellite.shtml viewed on 09/06/2011

A phase is a physically distinctive form of matter and is characterized by having relatively uniform chemical and physical properties.

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